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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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Part Number
PRICE
Manufacturer
Amperage
Voltage
QDA221252RP
QDA221252RP
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Schneider Electric
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QDA32200RP
QDA32200RP
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Schneider Electric
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QDL32225Z
QDL32225Z
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Square D
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QGA3225RP
QGA3225RP
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Schneider Electric
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QIL3100
QIL3100
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Square D
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QMB325MW-P
QMB325MW-P
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Schneider Electric
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QO2105WN
QO2105WN
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$0.02
Square D
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QO2305WN
QO2305WN
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$0.02
Square D
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RGA36120CU44AE1
RGA36120CU44AE1
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Schneider Electric
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RGF46160
RGF46160
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Schneider Electric
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RGF46160CU63AE
RGF46160CU63AE
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Schneider Electric
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RJF36160CU64A
RJF36160CU64A
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Schneider Electric
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RJF36200U63AE1SA
RJF36200U63AE1SA
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Schneider Electric
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SED08TB2
SED08TB2
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Schneider Electric
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SEF361600LSE1A8
SEF361600LSE1A8
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Schneider Electric
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SEF362500LIGS1A4
SEF362500LIGS1A4
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Schneider Electric
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SKA322535
SKA322535
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Square D
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JLA36250U33X
JLA36250U33X
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Square D
250
600
LA36200
LA36200
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Square D
200
600
BDA261251
BDA261251
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Square D
125
600
EDB24030SA
EDB24030SA
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Schneider Electric
30
480
EDB24080SA
EDB24080SA
Limited Stock
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Square D
80
480
EDB34045SA
EDB34045SA
Limited Stock
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Square D
45
480
HDL36100U43X
HDL36100U43X
Limited Stock
From
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Square D
100
600
Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.


Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.